CVE-2011-3422 Security feature bypass in n/a

Medium 4.3 Published Updated

Man-in-the-middle attackers can spoof SSL servers via Extended Validation certificates due to improper Keychain attribute handling in macOS.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2011-3422?

CVE-2011-3422 is a medium-severity vulnerability in Apple Mac Os X, published on 10 Sep 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.

Weakness: CWE-20

Which versions are affected by CVE-2011-3422?

It affects 2 products.

Products include Apple Mac Os X, Apple Mac Os X Server.

How do I fix CVE-2011-3422?

No fix has been published for CVE-2011-3422 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-3422 being exploited?

There is no known exploitation of CVE-2011-3422 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-jf47-vrx5-85qc.

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